P
WordNet
noun
(1) The 16th letter of the Roman alphabet
(2) A multivalent nonmetallic element of the nitrogen family that occurs commonly in inorganic phosphate rocks and as organic phosphates in all living cells; is highly reactive and occurs in several allotropic forms
WiktionaryText
Letter
- The sixteenth letter of the basic modern Latin alphabet.
Symbol
- symbol for phosphorus
- symbol for peta-
- IUPAC 1-letter abbreviation for proline